From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
---|---|
To: | David Fetter <david(at)fetter(dot)org> |
Cc: | Stephen Frost <sfrost(at)snowman(dot)net>, Andres Freund <andres(at)anarazel(dot)de>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: pg_ls_dir & friends still have a hard-coded superuser check |
Date: | 2017-01-29 22:52:51 |
Message-ID: | CA+TgmoYoCm4mHi6F34ToGwdhBDJHO+vYOMdKzCfrBYneZ5+2bQ@mail.gmail.com |
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Lists: | pgsql-hackers |
On Sun, Jan 29, 2017 at 5:39 PM, David Fetter <david(at)fetter(dot)org> wrote:
> On Thu, Jan 26, 2017 at 08:50:27AM -0500, Robert Haas wrote:
>> On Wed, Jan 25, 2017 at 10:31 PM, Stephen Frost <sfrost(at)snowman(dot)net> wrote:
>> > Frankly, I get quite tired of the argument essentially being made
>> > here that because pg_ls_dir() wouldn't grant someone superuser
>> > rights, that we should remove superuser checks from everything.
>> > As long as you are presenting it like that, I'm going to be quite
>> > dead-set against any of it.
>> 1. pg_ls_dir. I cannot see how this can ever be used to get
>> superuser privileges.
>
> With pilot error, all things are possible. A file name under $PGDATA
> could be the superuser password.
Uh, true. The default value of application_name could be the
superuser password, too, but we still allow access to it by
unprivileged users.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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